/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.flaviofaria.kenburnsview;

import ohos.agp.utils.RectFloat;

/**
 * TransitionGenerator
 *
 * @since 2021.07.12
 */
public interface TransitionGenerator {
    /**
     * Generates the next transition to be played by the {@link KenBurnsView}.
     *
     * @param drawableBounds the bounds of the drawable to be shown in the {@link KenBurnsView}.
     * @param viewport the rect that represents the viewport where
     * the transition will be played in. This is usually the bounds of the
     * {@link KenBurnsView}.
     * @return a {@link Transition} object to be played by the {@link KenBurnsView}.
     */
    Transition generateNextTransition(RectFloat drawableBounds, RectFloat viewport);
}
